[LTP] [fs] ce436509a8: ltp.openat203.fail

Cyril Hrubis chrubis@suse.cz
Tue Apr 28 17:30:22 CEST 2020

> > > commit: ce436509a8e109330c56bb4d8ec87d258788f5f4 ("[PATCH v4 2/3] fs: openat2: Extend open_how to allow userspace-selected fds")
> > > url: https://github.com/0day-ci/linux/commits/Josh-Triplett/Support-userspace-selected-fds/20200414-102939
> > > base: https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git next
> > 
> > This commit adds fd parameter to the how structure where LTP test was
> > previously passing garbage, which obviously causes the difference in
> > errno.
> > 
> > This could be safely ignored for now, if the patch gets merged the test
> > needs to be updated.
> It wouldn't be a bad idea to switch the test to figure out the ksize of
> the struct, so that you only add bad padding after that. But then again,
> this would be a bit ugly -- having CHECK_FIELDS would make this simpler.

Any pointers how can be the size figured out without relying on the
E2BIG we are testing for? Does the kernel export it somewhere?

Cyril Hrubis

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